Fix ability to recover EGL Display after D3D11 device lost
Fix ability to recover EGL Display after D3D11 device lost

BUG=angleproject:1463

Change-Id: I9f3e1190cc42e0cb37d80b94c35b61e88203dd32
Reviewed-on: https://chromium-review.googlesource.com/420475
Reviewed-by: Corentin Wallez <470c533e86f4f848c98c7e11fffc2d043494a401@chromium.org>
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Commit-Queue: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>

ecoal95/angle,ecoal95/angle,ppy/angle,ppy/angle,MSOpenTech/angle,ecoal95/angle,ppy/angle,MSOpenTech/angle,MSOpenTech/angle,MSOpenTech/angle,ecoal95/angle,ecoal95/angle,ppy/angle